diff --git a/microdroid/system/private/file.te b/microdroid/system/private/file.te
index d15f9ba..b94571d 100644
--- a/microdroid/system/private/file.te
+++ b/microdroid/system/private/file.te
@@ -17,3 +17,6 @@
 # /dev/selinux/test - used to verify that apex sepolicy is loaded and
 # property labeled.
 type sepolicy_test_file, file_type;
+
+# /system/bin/mke2fs - used to format encryptedstore block device
+type e2fs_exec, system_file_type, exec_type, file_type;